add SystemPreInit() and support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2254 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2006-04-13 19:44:50 +00:00
parent d8d8fffa0e
commit ea9db56d0e
3 changed files with 26 additions and 3 deletions

View File

@ -0,0 +1,22 @@
/* ***************************************************************************/
/* **/
/* * StartTimer1*/
/* **/
/* * Entry: none*/
/* * Exit: Starts Timer 1 for port 61 use*/
/* * Destroys: Al,*/
/* **/
/* ***************************************************************************/
void
StartTimer1(void){
outb(0x56, 0x43);
outb(0x12, 0x41);
}
void
SystemPreInit(void){
/* they want a jump ... */
__asm__("jmp .+2\ninvd\njmp.+2\n");
StartTimer1();
}

View File

@ -101,7 +101,7 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl)
#define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
#include "northbridge/amd/gx2/pll_reset.c"
#include "cpu/amd/model_gx2/cpureginit.c"
#include "cpu/amd/model_gx2/syspreinit.c"
static void msr_init(void)
{
__builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
@ -144,6 +144,7 @@ static void main(unsigned long bist)
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
SystemPreInit();
msr_init();
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);

View File

@ -48,7 +48,7 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl)
#define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
#include "northbridge/amd/gx2/pll_reset.c"
#include "cpu/amd/model_gx2/cpureginit.c"
#include "cpu/amd/model_gx2/syspreinit.c"
static void msr_init(void)
{
__builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
@ -81,7 +81,7 @@ static void main(unsigned long bist)
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
unsigned char temp;
SystemPreInit();
msr_init();
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);